<template>
    <transition name="slide">
        <!--<div class="singer-detail"></div>-->
        <music-list :rank="rank" :title="title" :bg-image="bgImage" :songs="songs"></music-list>
    </transition>
</template>

<script type="text/ecmascript-6">
  import {mapGetters} from 'vuex'
  import {getSingerDetail, getMusic} from 'api/singer'
  import {ERR_OK} from 'api/config'
  import {createSong} from 'common/js/song'
  import MusicList from 'components/music-list/music-list'

  export default {
    name: "singer-detall",
    components: {MusicList},
    data() {
      return {
        songs: [],
        rank: false
      }
    },
    computed: {
      title() {
        return this.singer.name
      },
      bgImage() {
        return this.singer.avatar
      },
      ...mapGetters([
        'singer'
      ])
    },
    created() {
      this._getDetail()
      // console.log(this.singer)
    },
    methods: {
      _getDetail() {
        if (!this.singer.id) { //在歌手详情页强制刷新后，即没有获得id时，回退到歌手页面
          this.$router.push('/singer')
          return
        }
        getSingerDetail(this.singer.id).then((res) => {
          if (res.code === ERR_OK) {
            this.songs = this._normalizeSongs(res.data.list)
            // console.log(this.songs)
          }
        })
      },
      // _normalizeSongs(list) {
      //   let ret = []
      //   list.forEach((item) => {
      //     let {musicData} = item
      //     if (musicData.songid && musicData.albummid) {
      //       ret.push(createSong(musicData))
      //     }
      //   })
      //   return ret
      // }
      _normalizeSongs(list) {
        // console.log(list)
        let ret = [] //返回值
        list.forEach((item) => {
          let {musicData} = item //得到music对象
          // console.log(musicData)
          //createSong必传两个参数
          if (musicData.songid && musicData.albummid) {
            getMusic(musicData.songmid).then((res) => {
              const svley = res.data.items
              const songVkey = svley[0].vkey
              ret.push(createSong(musicData, songVkey))
            })
          }
        })
        // console.log(ret)
        return ret
      }
    },
    components: {
      MusicList

    }
  }
</script>


<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "~common/stylus/variable"

    /*
    .singer-detail
        position: fixed
        z-index: 100 //子路由将之前的页面层盖住
        top: 0
        left: 0
        right: 0
        bottom: 0
        background: $color-background
    */

    .slide-enter-active, .slide-leave-active
        transition: all 0.3s

    .slide-enter, .slide-leave-to //100% 完全移动到屏幕右侧 动画开始后向左滑入
        transform: translate3d(100%, 0, 0)

</style>